References
- Al-Khalil , S . 1997 . Determination of hypericin content in hypericum triquetrifolium . Acta Technology Legislature Medical , 8 : 97 – 104 .
- Alali , F , Tawaha , K and Al-Eleimat , T . 2004 . Determination of hypericin content in Hypericum triquetrifolium Tuna. (Hypericaceae) growing wild in Jordan . Natural Product Research , 18 : 147 – 151 .
- Alan , L and Miller , ND . 1998 . St. John's wort (Hypericum perforatum): clinical effects on depression and other conditions . Alternative Medicine Review , 3 : 18 – 26 .
- Apaydın , S , Zeybek , U , Ince , I , Elgin , G , Karamenderes , C Ozturk , B . 1999 . Hypericum triquetrifolium Turra. Extract Exhibits Anticiceptive Activity in the Mouse . Journal of Etnopharmacology , 67 : 307 – 312 .
- Bais , HP , Walker , TS , McGrew , JJ and Vivanco , JM . 2002 . Factor affecting growth of suspension culture of Hypericum perforatum L. and production of hypericin . In vitro Cell. Development Biology-Plant , 38 : 58 – 65 .
- Baytop , T . 1984 . Therapy with Medicinal Plants in Turkey , Publications of Istanbul University .
- Blakesley , D and Constantine , D . 1992 . Uptake and metabolism of 6-benziadenin in shoot cultures of a range of species . Plant Cell Tissue and Organ Culture , 28 : 183 – 186 .
- Briskin , DP and Gawienowski , MC . 2000 . Differential effects of light and nitrogen on production of hypericins and leaf glands in H.perforatum . Plant physiology and Biochemistry , 39 : 1075 – 1081 .
- Cellarova , E , Kimakova , K and Brutovska , R . 1992 . Multiple shoot formation in Hypericum perforatum L. and variability of RO . Theorical and Applied Genetic , 101 : 46 – 50 .
- Couladis , M , Baziou , P , Verykokidou , E and Loukis , A . 2002 . Antioxidant activity of polyphenols from Hypericum triquetrifolium Turra . Phytotherapy Research , 16 : 769 – 770 .
- Davis , PH . 1988 . Flora of Turkey and the East Aegean Islands , Vol. 2 , 355 Edinburg : Edinburgh University Press .
- Ferraz , A , Bordignon , S , Mans , D , Schmitt , A and Ravazzolo , AP . 2002 . Screening for the Presence of Hypericins in Southern Brazilian Species of Hypericum . Pharmaceutical Biology , 40 : 294 – 297 .
- Gadzovska , S , Maury , S , Ounnar , S , Righezza , M , Kascakova , S Refregiers , M . 2005 . Identification and quantification of hypericin and pseudohypericin in different Hypericum perforatum L. in vitro cultures . Plant Physiology and Biochemistry , 43 : 591 – 601 .
- Murch , SJ , Haq , K , Rupasinghe , HPV and Saxena , PK . 2002 . Nickel contamination affects growth and secondary metabolite composition of St. John's wort (Hypericum perforatum L.) . Environmental and Experimental Botany , 49 : 251 – 257 .
- Pasqua , G , Avoto , P , Monacelli , B , Santamaria , AR and Argentieri , MP . 2003 . Metabolites in cell suspension cultures, calli, and in vitro regenerated organs of Hypericum perforatum cv. Topas . Plant Science , 165 : 977 – 982 .
- Pretto , FR and Santarem , ER . 2000 . Callus formation and plant regeneration from Hypericum perforatum L. leaves . Plant Cell Tissue and Organ Culture , 67 : 107 – 113 .
- Santarem , ER and Astarita , LV . 2003 . Multiple shoot formation in Hypericum perforatum L. and hypericin production . Brazillian Journal of Plant Physiology , 15 : 43 – 47 .
- Saya , O , Selcuk , AE , Ozen , HC , Hosgoren , H and Toker , Z . 2001 . Medicinal Plants of GAP Area , 143 Ankara : Environment Foundation of Turkey .
- Schempp , CM , Krikin , V , Simon-Haarhaus , G , Kersten , A , Kiss , J Termeer , CC . 2002 . Inhibition of tumor cell growth by hyperforin, a novel anti-cancer drug from St. John's wort that acts by induction of apoptosis . Oncogene , 21 : 1242 – 1250 .
- Torssell , KBG . 1997 . Naturel Product Chemistry. A Mechanistic Biosynthesis and Ecological Approach, , 2nd , 228 – 236 . Stockholm : Swedish Pharmaceutical Press .